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Customized High-Purity Quartz Products from China Suppliers - Reliable Factory for Semiconductor & Chemical Applications
⚙️ Mechanical & Physical Properties
| Mechanical Behavior | Standard Values |
|---|---|
| Density | 2.2 g/cm³ |
| Compressive Strength | 1100 MPa ★ Key |
| Flexural Strength | 67 MPa |
| Poisson's Ratio | 0.14 ~ 0.17 |
| Young's Modulus | 72,000 MPa |
| Modulus of Rigidity | 31,000 MPa |
| Mohs Hardness | 5.5 ~ 6.5 |
| Transformation Point | 1,280 °C |
| Softening Point | 1,780 °C ★ Key |
| Annealing Point | 1,250 °C |
| Specific Heat (20 ~ 350 °C) | 670 J/kg·°C |
| Thermal Conductivity (20 °C) | 1.4 W/m·°C |
| Index of Refraction | 1.4585 |
| Low Thermal Expansion Coefficient | 5.5 × 10⁻⁷ cm/cm·°C |
| Thermal Processing Temperature | 1,750 ~ 2,050 °C |
| Short-Term Use Temperature | 1,300 °C |
| Long-Term Use Temperature | 1,100 °C |
| Material | Silicon Dioxide (Natural Quartz) |
| Color | Transparent or Colorless |
| Surface | No Air Bubble, No Line |
| Strain | 1270°C Fused Quartz Glass Brick |
| PPM Grade | Controlled 10 / 20 / 100 PPM |
| Shape | Circle |
| Thickness | 2 mm – 20 mm |
❓ Frequently Asked Questions
Q
What is the maximum operating temperature of this quartz glass?
This quartz glass can withstand a short-term use temperature of up to 1,300 °C and a long-term use temperature of up to 1,100 °C. Its softening point reaches 1,780 °C, making it suitable for high-temperature industrial applications.
Q
What material is this quartz glass made from?
It is made from Silicon Dioxide (Natural Quartz), which ensures high purity, excellent optical clarity, and outstanding thermal resistance compared to synthetic alternatives.
Q
What thickness options are available for this quartz glass?
The quartz glass is available in thicknesses ranging from 2 mm to 20 mm, offering flexibility for a wide variety of industrial, optical, and scientific applications.
Q
What PPM purity grades are available?
The quartz glass is available in controlled purity grades of 10 PPM, 20 PPM, and 100 PPM, allowing customers to select the appropriate level of purity for semiconductor, laboratory, or industrial use.
Q
Why is the low thermal expansion coefficient important for quartz glass?
The extremely low thermal expansion coefficient of 5.5 × 10⁻⁷ cm/cm·°C means the glass resists dimensional changes under rapid or extreme temperature fluctuations, preventing cracking and ensuring dimensional stability in precision applications.
Q
What surface quality standards does this quartz glass meet?
The quartz glass is manufactured to a bubble-free and line-free surface standard, ensuring optical clarity and structural integrity. It is transparent or colorless in appearance, making it ideal for optical and high-precision applications.